interface CarBase {
  width: number
  height: number
  weight: number
}

interface Su7 extends CarBase {
  name: string
}

interface Auto extends CarBase {
  brand: string
}

const su7: Su7 = {
  name: '小米su7',
  width: 3,
  height: 3,
  weight: 3,
}

const auto: Auto = {
  brand: '问界M9',
  width: 3,
  height: 3,
  weight: 3,
}

export { su7, auto }
